Travelcade Cruisn Saddlebags with 2003 Sportster XLH 1200

Is this sold as a single or a pair for the $202?
Will this fit a stock 2003 Sportster XLH 1200?
Will turn signal relocation be required?
What additional parts will be needed for zip-off yoke mounting?
Is there any additional harware that would be needed to keep them secure so they don't flop at high speeds?